Set ipython as default interpreter in emacs

I happen to experiment with Emacs for Python coding. I'd tried to change the default interpreter with Anaconda's ipython by the following ways in .emacs:

(setq python-python-command "~/anaconda2/bin/ipython")

or

(setq python-shell-interpreter "ipython")

but neither works.

Besides, when I switch to ipython directly (in Emacs shell or invoke it in C-c C-c) the prompt is messed up like this (the situation is the same in the Emacs shell in general):

^[[J^[[?7h^[[?12l^

How can I repair this phenomenon?

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